Quiet Series 1 HP 8 Gallon Hot Dog Air Compressor is designed to be one of the quietest air compressors in the industry. At just 68 dBa, this compressor offers a quiet work environment and is ideal for anyone working where noise is a major issue. Long life, oil-free, maintenance-free pump for convenient on-going use. The dual-piston pump system is engineered for high performance and durability and it produces 25% more air compared to other 1.0 HP air compressor motors. This durable, oil-free pump provides extended maintenance-free operation with superior motor performance. Dual-piston pump is engineered to produce 25% more air than other 1.0 HP compressors Up to 50% quieter than comparable compressors, producing just 68 dBA Key components built to last up to four times longer Oil-free, maintenance-free dual piston pump